Junichi Arai

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Zama-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rebound-type hardness tester
- Patent number 6,354,148
- Issue date Mar 12, 2002
- Kabushiki Kaisha Akashi
- Yasunori Sato
- G01 - MEASURING TESTING
Information Patent Grant
Method of testing hardness in rebound type hardness tester
- Patent number 5,827,953
- Issue date Oct 27, 1998
- Kabushiki Kaisha Akashi
- Yasunori Sato
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
REBOUND-TYPE HARDNESS TESTER
- Publication number 20010010170
- Publication date Aug 2, 2001
- KABUSHIKI KAISHA AKASHI
- Yasunori Sato
- G01 - MEASURING TESTING